<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<form action="" method="post">
  旧密码：<input type="password" name="oldpwd"/></br>
  新密码：<input type="password" name="newpwd"/></br>
  确认新密码：<input type="password" name="renewpwd"/></br>
  <input type="submit" value="保存">
  <input type="reset" value="重置">
</form>
</body>
</html>